256422144

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 753500160

約数和(自身を除く): 497078016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 127, 128, 132, 176, 192, 239, 254, 256, 264, 352, 381, 384, 478, 508, 528, 704, 717, 762, 768, 956, 1016, 1056, 1397, 1408, 1434, 1524, 1912, 2032, 2112, 2629, 2794, 2816, 2868, 3048, 3824, 4064, 4191, 4224, 5258, 5588, 5736, 6096, 7648, 7887, 8128, 8382, 8448, 10516, 11176, 11472, 12192, 15296, 15774, 16256, 16764, 21032, 22352, 22944, 24384, 30353, 30592, 31548, 32512, 33528, 42064, 44704, 45888, 48768, 60706, 61184, 63096, 67056, 84128, 89408, 91059, 91776, 97536, 121412, 126192, 134112, 168256, 178816, 182118, 183552, 242824, 252384, 268224, 333883, 336512, 357632, 364236, 485648, 504768, 536448, 667766, 673024, 728472, 971296, 1001649, 1009536, 1072896, 1335532, 1456944, 1942592, 2003298, 2019072, 2671064, 2913888, 3885184, 4006596, 5342128, 5827776, 7770368, 8013192, 10684256, 11655552, 16026384, 21368512, 23311104, 32052768, 42737024, 64105536, 85474048, 128211072, 256422144]

約数ペア:

[(1, 256422144), (2, 128211072), (3, 85474048), (4, 64105536), (6, 42737024), (8, 32052768), (11, 23311104), (12, 21368512), (16, 16026384), (22, 11655552), (24, 10684256), (32, 8013192), (33, 7770368), (44, 5827776), (48, 5342128), (64, 4006596), (66, 3885184), (88, 2913888), (96, 2671064), (127, 2019072), (128, 2003298), (132, 1942592), (176, 1456944), (192, 1335532), (239, 1072896), (254, 1009536), (256, 1001649), (264, 971296), (352, 728472), (381, 673024), (384, 667766), (478, 536448), (508, 504768), (528, 485648), (704, 364236), (717, 357632), (762, 336512), (768, 333883), (956, 268224), (1016, 252384), (1056, 242824), (1397, 183552), (1408, 182118), (1434, 178816), (1524, 168256), (1912, 134112), (2032, 126192), (2112, 121412), (2629, 97536), (2794, 91776), (2816, 91059), (2868, 89408), (3048, 84128), (3824, 67056), (4064, 63096), (4191, 61184), (4224, 60706), (5258, 48768), (5588, 45888), (5736, 44704), (6096, 42064), (7648, 33528), (7887, 32512), (8128, 31548), (8382, 30592), (8448, 30353), (10516, 24384), (11176, 22944), (11472, 22352), (12192, 21032), (15296, 16764), (15774, 16256)]